641-80070641 Office 365

641-80070641 Error Code Office 365 Overview
Difficulty Level Very High
Resolution: DLL Issue
Cause: System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 641-80070641 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 7 and later

1) Click Start Button Office Error Code 641-80070641 Office 365 and type “Control Panel” in search box Office Error Code 641-80070641 Office 365 img2 and Click on it.
Office Error Code 641-80070641 Office 365 img5
2) In Control Panel Window, type firewall in the search box and click on Windows Firewall.
Office Error Code 641-80070641 Office 365 img6
3) Press “Turn Windows Firewall on or off”
Office Error Code 641-80070641 Office 365 img7
Warning: You will need Administrator privilege to enable or disable Windows firewall.
Office Error Code 641-80070641 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Warning: You can activate Windows Firewall after Office 365 repair is complete.

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start button.

start
2. Enter the command “inetcpl.cpl” and click OK.
3. Click on the “Security” tab.

inetcpl security
4. Click “Reset all zones to default level” button at the bottom of the window.
5. Click OK button.

Step 3: Disable Antivirus

– Open Your Antivrus software
– Disable it till the Office 365 installation is going on. Check manufacturer website for more details.

Step 4: Try the installation again

In most case 641-80070641 error code in Office 365 should be resolved by now, if however the problem still persists please get your system checked by an expert.

If you are not able to resolve the issue following above steps, you can contact our 24×7 Chat Support for help.

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  • January 1st, 1970

    Posted In: Office 365

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